Helle G - Search Results

1

Measuring the Effect of the Early assessment Team (MEET) for patients referred to outpatient mental health care: a study protocol for a randomised controlled trial.

Kvestad CA, Holte IR, Reitan SK, Chiappa CS, Helle GK, Skjervold AE, Rosenlund AMA, Watne Ø, Brattland H, Helle J, Follestad T, Hara KW, Holgersen KH. Kvestad CA, et al. Among authors: helle gk. Trials. 2024 Mar 11;25(1):179. doi: 10.1186/s13063-024-08028-6. Trials. 2024. PMID: 38468321 Free PMC article.

2

The unknown third - Hydrogen isotopes in tree-ring cellulose across Europe.

Vitali V, Martínez-Sancho E, Treydte K, Andreu-Hayles L, Dorado-Liñán I, Gutierrez E, Helle G, Leuenberger M, Loader NJ, Rinne-Garmston KT, Schleser GH, Allen S, Waterhouse JS, Saurer M, Lehmann MM. Vitali V, et al. Among authors: helle g. Sci Total Environ. 2022 Mar 20;813:152281. doi: 10.1016/j.scitotenv.2021.152281. Epub 2021 Dec 21. Sci Total Environ. 2022. PMID: 34942249 Free article.

3

Paired analysis of tree ring width and carbon isotopes indicates when controls on tropical tree growth change from light to water limitations.

Brienen R, Helle G, Pons T, Boom A, Gloor M, Groenendijk P, Clerici S, Leng M, Jones C. Brienen R, et al. Among authors: helle g. Tree Physiol. 2022 Jun 9;42(6):1131-1148. doi: 10.1093/treephys/tpab142. Tree Physiol. 2022. PMID: 34718816 Free PMC article.

4

Inter- and intra-tree variability of carbon and oxygen stable isotope ratios of modern pollen from nine European tree species.

Müller C, Hethke M, Riedel F, Helle G. Müller C, et al. Among authors: helle g. PLoS One. 2020 Jun 9;15(6):e0234315. doi: 10.1371/journal.pone.0234315. eCollection 2020. PLoS One. 2020. PMID: 32516353 Free PMC article.

5

Variations in the intrinsic water-use efficiency of north Patagonian forests under a present climate change scenario: tree age, site conditions and long-term environmental effects.

Arco Molina JG, Helle G, Hadad MA, Roig FA. Arco Molina JG, et al. Among authors: helle g. Tree Physiol. 2019 Apr 1;39(4):661-678. doi: 10.1093/treephys/tpy144. Tree Physiol. 2019. PMID: 30649565

6

Subfossil trees suggest enhanced Mediterranean hydroclimate variability at the onset of the Younger Dryas.

Pauly M, Helle G, Miramont C, Büntgen U, Treydte K, Reinig F, Guibal F, Sivan O, Heinrich I, Riedel F, Kromer B, Balanzategui D, Wacker L, Sookdeo A, Brauer A. Pauly M, et al. Among authors: helle g. Sci Rep. 2018 Sep 18;8(1):13980. doi: 10.1038/s41598-018-32251-2. Sci Rep. 2018. PMID: 30228341 Free PMC article.

7

Global Peak in Atmospheric Radiocarbon Provides a Potential Definition for the Onset of the Anthropocene Epoch in 1965.

Turney CSM, Palmer J, Maslin MA, Hogg A, Fogwill CJ, Southon J, Fenwick P, Helle G, Wilmshurst JM, McGlone M, Bronk Ramsey C, Thomas Z, Lipson M, Beaven B, Jones RT, Andrews O, Hua Q. Turney CSM, et al. Among authors: helle g. Sci Rep. 2018 Feb 19;8(1):3293. doi: 10.1038/s41598-018-20970-5. Sci Rep. 2018. PMID: 29459648 Free PMC article.

8

Increased water-use efficiency translates into contrasting growth patterns of Scots pine and sessile oak at their southern distribution limits.

Martínez-Sancho E, Dorado-Liñán I, Gutiérrez Merino E, Matiu M, Helle G, Heinrich I, Menzel A. Martínez-Sancho E, et al. Among authors: helle g. Glob Chang Biol. 2018 Mar;24(3):1012-1028. doi: 10.1111/gcb.13937. Epub 2017 Nov 15. Glob Chang Biol. 2018. PMID: 29030903

9

Tree height strongly affects estimates of water-use efficiency responses to climate and CO₂ using isotopes.

Brienen RJW, Gloor E, Clerici S, Newton R, Arppe L, Boom A, Bottrell S, Callaghan M, Heaton T, Helama S, Helle G, Leng MJ, Mielikäinen K, Oinonen M, Timonen M. Brienen RJW, et al. Among authors: helle g. Nat Commun. 2017 Aug 18;8(1):288. doi: 10.1038/s41467-017-00225-z. Nat Commun. 2017. PMID: 28819277 Free PMC article.

10

Xylem adjustment of sessile oak at its southern distribution limits.

Martínez-Sancho E, Dorado-Liñán I, Heinrich I, Helle G, Menzel A. Martínez-Sancho E, et al. Among authors: helle g. Tree Physiol. 2017 Jul 1;37(7):903-914. doi: 10.1093/treephys/tpx036. Tree Physiol. 2017. PMID: 28402468

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